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stm32/stm32f7 tickless: Fix up_timer_getmask to be correct for the width of the timer.

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This commit is contained in:
Anthony Merlino 2021-05-15 18:40:58 -04:00 committed by Xiang Xiao
parent 4c74f46afe
commit fa2b9ca43b
2 changed files with 10 additions and 22 deletions
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16
arch/arm/src/stm32/stm32_tickless.c
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@ -124,9 +124,6 @@ struct stm32_tickless_s
uint8_t channel; /* The timer channel to use for intervals */
FAR struct stm32_tim_dev_s *tch; /* Handle returned by stm32_tim_init() */
uint32_t frequency;
#ifdef CONFIG_CLOCK_TIMEKEEPING
uint64_t counter_mask;
#endif
uint32_t overflow; /* Timer counter overflow */
volatile bool pending; /* True: pending task */
uint32_t period; /* Interval period */
@ -538,13 +535,6 @@ void up_timer_initialize(void)
STM32_TIM_SETCLOCK(g_tickless.tch, g_tickless.frequency);
#ifdef CONFIG_CLOCK_TIMEKEEPING
/* Should this be changed to 0xffff because we use 16 bit timers? */
g_tickless.counter_mask = 0xffffffffull;
#endif
/* Set up to receive the callback when the counter overflow occurs */
STM32_TIM_SETISR(g_tickless.tch, stm32_tickless_handler, NULL, 0);
@ -731,7 +721,11 @@ int up_timer_getcounter(FAR uint64_t *cycles)
void up_timer_getmask(FAR uint64_t *mask)
{
DEBUGASSERT(mask != NULL);
*mask = g_tickless.counter_mask;
#ifdef HAVE_32BIT_TICKLESS
*mask = UINT32_MAX;
#else
*mask = UINT16_MAX;
#endif
}
#endif /* CONFIG_CLOCK_TIMEKEEPING */

16
arch/arm/src/stm32f7/stm32_tickless.c
View File

@ -132,9 +132,6 @@ struct stm32_tickless_s
uint8_t channel; /* The timer channel to use for intervals */
FAR struct stm32_tim_dev_s *tch; /* Handle returned by stm32_tim_init() */
uint32_t frequency;
#ifdef CONFIG_CLOCK_TIMEKEEPING
uint64_t counter_mask;
#endif
uint32_t overflow; /* Timer counter overflow */
volatile bool pending; /* True: pending task */
uint32_t period; /* Interval period */
@ -587,13 +584,6 @@ void up_timer_initialize(void)
STM32_TIM_SETCLOCK(g_tickless.tch, g_tickless.frequency);
#ifdef CONFIG_CLOCK_TIMEKEEPING
/* Should this be changed to 0xffff because we use 16 bit timers? */
g_tickless.counter_mask = 0xffffffffull;
#endif
/* Set up to receive the callback when the counter overflow occurs */
STM32_TIM_SETISR(g_tickless.tch, stm32_tickless_handler, NULL, 0);
@ -789,7 +779,11 @@ int up_timer_getcounter(FAR uint64_t *cycles)
void up_timer_getmask(FAR uint64_t *mask)
{
DEBUGASSERT(mask != NULL);
*mask = g_tickless.counter_mask;
#ifdef HAVE_32BIT_TICKLESS
*mask = UINT32_MAX;
#else
*mask = UINT16_MAX;
#endif
}
#endif /* CONFIG_CLOCK_TIMEKEEPING */